From a5c0448053d2c6dcfc1968de629703d3de26b396 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Tue, 24 Mar 2020 16:28:03 +0000
Subject: [PATCH] Graphs: Note restart required when changing persistence
 setting

---
 .../java/src/net/i2p/router/web/helpers/GraphHelper.java       | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/routerconsole/java/src/net/i2p/router/web/helpers/GraphHelper.java b/apps/routerconsole/java/src/net/i2p/router/web/helpers/GraphHelper.java
index 403713b20..358a2472c 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/helpers/GraphHelper.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/helpers/GraphHelper.java
@@ -486,8 +486,11 @@ public class GraphHelper extends FormHandler {
             changes.put(PROP_EVENTS, Boolean.toString(_showEvents));
             changes.put(PROP_LEGEND, Boolean.toString(_graphHideLegend));
             changes.put(SummaryListener.PROP_PERSISTENT, Boolean.toString(_persistent));
+            boolean warn = _persistent != _context.getBooleanPropertyDefaultTrue(SummaryListener.PROP_PERSISTENT);
             _context.router().saveConfig(changes, null);
             addFormNotice(_t("Graph settings saved"));
+            if (warn)
+                addFormError(_t("Restart required to take effect"));
         }
     }